<html>

<head>

<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">

</head>

<body>

<div class="container">

<form role="form" action="login" method="post">

<div class="form-group">

<label for="username">Username:</label>

<input type="text" class="form-control" id="username" name="username"/>

</div>

<div class="form-group">

<label for="password">Password:</label>

<input type="password" class="form-control" id="password" name="password"/>

</div>

<input type="hidden" id="csrf_token" name="${_csrf.parameterName}" value="${_csrf.token}"/>

<button type="submit" class="btn btn-primary">Submit</button>

</form>

</div>

<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>

</body>

</html>